Ocular Emergencies (2) Flashcards
What are the 2 types of vascular occlusions of the retina
Central Retinal Artery Occlusion
Retinal Vein Occlusion
What are 3 causes of a Central Retinal Artery Occlusion that can lead to a vascular occlusion of the retina
Atherosclerosis
Giant Cell Arteritis
Polymyalgia Rheumatica
What are 2 symptoms of a central retinal artery occlusion
Painless
Loss of vision
What is the pathology of a retinal vein occlusion
Thrombus blocking vein
Leading to pooling into other veins
What are 2 signs in a retinal vein occlusion in the eye
Macula Oedema
VEGF => Growth of new vessels forming
What is the treatment for both Vascular Occlusions of the retina
Steroids
What is the name of a symptom that presents as temporary vision loss due to a lack of blood flow to the eye
Amaurosis Fugax
What are the 2 types of macula degeneration
What distinguishes the difference between the 2
Wet => Worse (growth of vessels)
Dry ==> No growth
What are the 3 typical risk factors for macular degeneration
Normal in Old People
Smokers
FH
What are the 2 signs of a macula degeration
Wavy appearance to straight lines
Loss of Peripheral Vision
What is the most common presentation in MS leading to loss of vision in one eye
Optic neuritis
==> Optic nerve demyelination
Which duct is blocked that can lead to watery eyes
Blocked Nasolacrimal Duct
What are 5 causes of a blocked nasolacrimal duct
Congenital
Age
infection
Cancerous
Inflammation
Crusty / swollen itchy eyelids typically caused by bacteria or atopic dermatitis is called what?
Blepharitis
